Minn. Stat. § 154.20

In each barber shop there shall be provided a receptacle or receptacles for soiled towels. Each barber shall, immediately after the completion of the service to the customer, place the towels used on the customer in the receptacles and no towel shall be withdrawn from the receptacle and used on any customer until the towel has been laundered. A violation of any provision of this section shall be a misdemeanor.